Getting around is easy! There is an extensive bus service, supplied by the Metropolitan Bus Authority and the Metro bus system.
If starting out in Condado or Ocean Park, take Metro bus C53 or B21 into Old San Juan. The central bus station is in the Covadonga Parking Lot in Old San Juan. Taxi cabs can be picked up at the airport, tourist areas such as Isla Verde, Condado and Old San Juan very easily. They charge between $10 and $15 depending on destination.
Call the Puerto Rico Tourism Company at 1-800-866-7827. If you plan on exploring the Island, renting a car is probably your best option, as scheduled bus service between cities is unavailable. If you rent a car outside the airport you will avoid paying a 10% airport tax